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Atlas / NTSB / NYC69D0271

NTSB CAROL · Event

Event NYC69D0271

1968-11-13 COOPERSTOWN, New York, United States None 1 aircraft Status: Completed

Registry · N8909H

FAA Aircraft Registry record.

Make / Model

NORTH AMERICAN NAVION

Year of manufacture

1947 · 21 years old at event

TCDS

A-782 · SIERRA HOTEL AERO INC

Engine

CONT MOTOR O-470 SERIES (230 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19560417

ADS-B equipped

Yes — Mode-S AC48EF

Registrant of record

MISKER BRITTON K

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

NAVION A · N8909H

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Night

Weather

VMC

Phase of flight

EE

Operator type

Personal/private

Airport

COOPERSTOWN

Kind of flying

B2

Weather at impact

Sky

UNKNOWN/NOT REPORTED

Wind

300° / 15 kt

Aircraft history

Total time

3,175 hrs

Pilot

Certificate

Flight instructor (CFI)

Total hours

6,022

Age

47

Probable cause (from PRE1982.MDB)

D HYD PRESSURE TO GR DOWN LINES. 6 IN SNOW ON RNWY

Investigator remarks

MASTER CONTROL VALVE IMPROPERLY RIGGED. PREVENTE

Cause factors

  • 70/A/CB A
    AIRFRAME NORMAL RETRACTION/EXTENSION ASSEMBLY Cause — pilot/personnel action
  • 88/A/47 A
    MISCELLANEOUS ACTS,CONDITIONS IMPROPER ALIGNMENT/ADJUSTMENT Cause — pilot/personnel action
  • 68/A/D6 A
    PERSONNEL INADEQUATE MAINTENANCE AND INSPECTION Cause — pilot/personnel action
  • 80/J/BC J
    AIRPORTS/AIRWAYS/FACILITIES SNOW ON RUNWAY Joint cause

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 3 4342. Source file NTSB_1968_3_4342.txt. Modern CAROL record on data.ntsb.gov ↗.